// Copyright (c) Appeon. All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. 
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.

namespace SnapObjects.Data
{
    internal class SqlFunctionBuilder : SqlBuilderBase, ISqlFunctionBuilder
    {
        private FunctionBuildStatement _statement;

        public SqlFunctionBuilder(string name = "") : base(name)
        {
            _statement = new FunctionBuildStatement();
        }

        /// <summary>
        ///     Gets the SQL statement type of the current object.
        /// </summary>
        public override SqlStatementType SqlType => SqlStatementType.Function;

        internal override SqlBuildStatement Statement => _statement;

        public ISqlBuilder Function(
            string procedureName,FunctionReturnType returnType, params ISqlParameter[] parameters)
        {
            _statement.SqlRaw = procedureName;
            _statement.ReturnType = returnType;

            _statement.AddParameters(parameters);

            return this;
        }

        public override ISqlBuilder Clone()
        {
            return new SqlFunctionBuilder(this.Name)
            {
                _statement = (FunctionBuildStatement)this.Statement.Clone()
            };
        }
    }
}
